22180155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{86981}}^1$

素因数の和:87006

約数の個数: 16

約数和(自身を含む): 37576224

約数和(自身を除く): 15396069

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 86981, 260943, 434905, 1304715, 1478677, 4436031, 7393385, 22180155]

約数ペア:

[(1, 22180155), (3, 7393385), (5, 4436031), (15, 1478677), (17, 1304715), (51, 434905), (85, 260943), (255, 86981)]